package backend.Java_Demo.wen.scanner;

import java.util.Scanner;

public class Demo03 {
    public static void main(String[] args) {
        //从键盘接收数据
        Scanner scanner = new Scanner(System.in);

        int i = 0;
        float f = 0.0f;

        System.out.println("请输入整数：");

        if (scanner.hasNextInt()){
            i = scanner.nextInt();
            System.out.println("整数数据："+i);
        }
        else {
            System.out.println("输入的不是整数数据："+i);
        }

        System.out.println("请输入小数：");

        if (scanner.hasNextFloat()){
            f = scanner.nextFloat();
            System.out.println("小数数据："+f);
        }
        else {
            System.out.println("输入的不是小数数据："+f);
        }
    }
}
